Hosiery article seam flattening device and method



HOSIERY ARTICLE SEAM FLATTENING DEVICE AND METHOD Filed April 24, 1969J. E. KIENEL Oct. 6, 1970 2 Sheets-Sheet 1 INVENTOR.

JOSEPH E. VuENE-L.

W166, 911%; M 9 gym ATTORNEYS Oct. 6, 1970 J. E. KIENEL 3,532,258

HOSIERY ARTICLE SEAM FLATTENING DEVICE AND METHOD Filed April 24, 1969 2Sheets-Sheet 2 INVENTOR. Jest-PH E. KHENEL.

BYMM 9 2K146 ATTORNEYS 3,532,258 HOSIERY ARTICLE SEAM FLATTENING DEVICEAND METHOD ABSTRACT OF THE DISCLOSURE A device and method for flatteninga seam within the toe portion of a hosiery article wherein the hosieryarticle is drawn onto an elongated tubular member open at one end withthe toe portion thereof covering the open end of the tubular member, thehosiery article is clamped against the tubular member in spaced relationto the toe portion by clamping means operatively associated with theopen end of the tubular member, and the toe portion of the hosieryarticle is stretched by stretching means movable axially of the tubularmember and relative to the clamping means to flatten the seam therein.

This invention relates to a hosiery article seam flattening device andmethod and more particularly to an improved hosiery article seamflattening device and method for flattening a seam in the toe portion ofa hosiery article.

Hosiery articles and in particular, mens and childrens socks are knittedwith an opening across the top of the toe portion which must besubsequently closed. Typically, the opening is closed by everting thehosiery article to an in-side out condition and sewing opposite edges ofthe opening together utilizing overedge stitching. However, suchoveredge stitching leaves a raised, uneven seam across the toe portionwhich must be flattened to present an attractive appearance and to becomfortably worn.

The use of the overedge stitching makes it possible to flatten the seamby stretching the hosiery article perpendicular to the seam a suflicientamount such that the seam will remain flattened after stretching.Conventional- 1y, this seam has been flattened by manually stretchingthe toe portion of the hosiery article perpendicular to the seam. Thismanner of stretching has proven to be unsatisfactory for severalreasons, such as, the requirement of manual labor which adds to the costof production and the inability to manually stretch the seam uniformlyto present an attractive appearance.

Furthermore, since the opening across the toe is closed while thehosiery article is in an in-side out condition, it is necessary that thehosiery article be everted to a right-side out condition subsequent tothe toe seam flattening operation which requires additional manuallabor.

With the aforementioned in mind, it is an object of this invention toprovide a device and method for flattening a seam within the toe portionof a hosiery article with a minimum amount of manual labor on the partof the operator.

Another object of this invention is the provision of a device and methodfor flattening a seam within the toe portion of a hosiery article bystretching wherein only the toe portion of the hosiery article isstretched and wherein the seam is flattened substantially uniformly.

A still further object of this invention is the provision of a deviceand method for flattening a seam within the toe portion of a hosieryarticle and wherein the hosiery article is everted to a right-side outcondition without additional labor on the part of the operator.

And still a further object of this invention is the pro vision of adevice including a plurality of elongated tubular members adapted tosuccessively receive hosiery arnited States Patent 3,532,258 PatentedOct. 6, 1970 ticles thereon and which are indexed through a sequence ofpositions wherein a plurality of sequential operations are carried outon the hosiery articles including flattening of seams within the toeportions thereof and wherein the plurality of operations are carried outsimultaneously on diflerent hosiery articles, thus, increasing the rateat which these operations could otherwise be carried out.

Some of the objects of the invention having been stated, other objectswill appear as the description proceeds, when taken in connection withthe accompanying drawings, in which:

FIG. 1 is a perspective view of a toe seam flattening device constructedin accordance with this invention;

FIG. 2 is an enlarged sectional view taken substantially along the line22 of FIG. 1 showing means for indexing the plurality of elongatedtubular members of FIG. 1;

FIG. 3 is a partially schematic and partially sectional view of thestretching means shown in the right hand portion of FIG. 1;

FIG. 4 is an enlarged sectional view showing the clutch means used inindexing the elongated tubular members;

FIG. 5 is an enlarged view with parts in section and portions brokenaway showing a toe seam flattening device of this invention with theclamping means and means for stretching the hosiery article in anormally retracted position spaced outwardly of the tubular members;

FIGS. 68 are views similar to FIG. 5 showing the clamping means andmeans for stretching the hosiery article in different, sequentialoperative positions; and

FIG. 9 is a sectional view taken substantially along the line 9-9 ofFIG. 8.

Referring to the drawings wherein like reference characters are usedwhere possible to indicate like parts, there is generally shown in FIG.1 one illustrative embodiment of a toe seam flattening device of thepresent invention mounted upon a substantially horizontal work table10-.

Extending upwardly from the work table 10 is a support member 11 uponwhich is mounted a turret drive shaft 12 for rotation about asubstantially horizontal axis. A turret 13 is mounted on one end of theshaft 12 for rotation therewith about the horizontal axis, and has fouraperture symmetrically disposed therein and equidistantly spacedradially outwardly from the horizontal axis about which the turret 13rotates. The apertures have screens 14, 15, 16 and 17 covering the sameto prevent the passage of a hosiery article therethrough.

A plurality of elongated tubular, preferably cylindrical members 20, 21,22, 23 are mounted at one end on and extend outwardly from one side ofturret 13 in substantially parallel, spaced apart relation and haveopenings therethrough which are in registration and communication withthe apertures in turret 13. The tubular members 20-23 are ofsubstantially the same length and are open at their free ends forreceiving hosiery articles thereon with the toe portions thereofcovering the open ends.

Means is provided for rotating turret 13 about its horizontal axis tosuccessively index tubular members 29-23 to a hosiery donning position,a seam flattening position, a hosiery article everting position, and ahosiery article discharge position (which positions are respectivelyoccupied by tubular members 20, 21, 22 and 23 in FIG. 1). The turretrotating means includes a drive motor 30 which is connected through agear reduction means 31 to a drive disc or eccentric 32. Motor 30, gearreduction means 31 and drive disc 32 are suitably supported on table 10as shown in FIG. 2. Drive disc 32 has a drive arm 33 pivotally connectedthereto at a point spaced radially outwardly from the axis of rotationof disc 32 so that rotation of disc 32 will result in reciprocation ofdrive arm 33. The other end of drive arm 33 is pivotally connected to acrank arm 34 which is part of a one-way clutch 3 35 drivingly connectedto turret drive shaft 12 (FIGS. 2 and 4). The one-way clutch 35 is ofconventional construction and will be but briefly described tofacilitate an understanding of how it functions in co-ordination withthe rest of the device of the present invention. The clutch 35 comprisesa hub 36 to which crank cam 34 is connected and which is concentricallymounted on a sleeve 37 drivingly mounted on the turret drive shaft 12.Spring pressed driving balls 38 are disposed bet-ween the hub and sleeveand permit free relative movement between hub 36 and sleeve 37 uponmovement of crank arm 34 in one direction but drivingly connected hub 36to sleeve 37 and hence shaft 12 upon movement of crank arm 34 in theopposite direction. The distance from the axis of drive disc 32 that thedrive arm 33 is connected to the drive disc and the length of crank arm34 should be such that upon each revolution of drive disc 32 the turretwill be rotated one-quarter of a revolution to index the tubular members20-23 to the next successive position.

Suitable means is provided for maintaining turret 13 in position duringthe inactive stroke of drive arm 33 and crank arm 34 and this meansincludes four recesses 40 equally spaced about the periphery of turret13 and a holding device 41 including a roller 41a riding against theperiphery of turret 13 and receivable in one of the recesses 40 to holdthe tubular members 20-23 in their various positions.

Means is provided adjacent the seam flattening position of tubularmembers 29-23 for flattening seams within the toe portions of hosieryarticles received thereon. This seam flattening means includes means forclamping the hosiery articles against the tubular members 20-23,preferably in spaced relation to the toe portion, and stretching meansmovable axially of the tubular members when they occupy the seamflattening position and adapted to engage the toe portions of theclamped hosiery articles for stretching the toe portions a suflicientamount to flatten the seams therein.

The clamping and stretching means are shown in FIGS. 3, and -9, and thestretching means comprises an elongated cylindrical stretching member 50axially aligned with tubular members 20-23 when they occupy the seamflattening position and having a substantially semi-spherical hosieryengaging portion 51 mounted on the end thereof adjacent the open ends ofthe tubular members 20-23. The other end of stretching member 50 isconnected to a piston 52 of an air cylinder 53.

Air cylinder 53 has its opposite ends connected to a suitable air supply54 through a suitable valve 55 which controls the admission of air tocylinder 53. As illustrated, valve 55 is operated by a solenoid 56 whichis controlled by a switch 57. Switch 57 is preferably of the normallyopen type and is actuated by a cam 58 carried by drive disc 32 tooperate the valve, and hence the stretching means, in timed relation tothe indexing of the tubular members 20-23. Normally, valve 55 occupiesthe position shown in FIG. 3 and the stretching member 50 is held in aretracted position (shown in FIG. 5) outwardly of the open end of thetubular member occupying the seam flattening position. Upon closure ofswitch 57 by cam 58, valve 55 supplies air to the other end of cylinder53 to move stretching member 50 axially of the tubular member and thehosiery engaging portion 51 inwardly into 1 the tubular member occupyingthe seam flattening position.

As illustrated, the clamping means comprises a clamping member 60carried by the stretching member 50 for movement there-with. Clampingmember 60 includes a tubular sleeve 61 (FIG. 5) slidably mounted onstretching member 50 and having an opening therethrough having arearward portion substantially the same diameter as the diameter ofstretching member 50 and a forward portion of larger diameter. Aretaining ring 62 is carried by stretching member 50 in predeterminedspaced relation to the hosiery engaging portion 51 and serves to definew the forward position of the clamping member 60. Clamping member 60also includes a frusto-conical collar 63 of elastomeric material andcarried by the rear portion of sleeve 61. Collar 63 is of a size so thata portion thereof is receivable within the open free ends of the tubularmembers 20-23 while the remainder thereof clamps the hosiery articlesagainst the free ends of the tubular members.

A biasing spring 64 surrounds stretching member rearwardly of clampingmember and abuts the clamping member at one end and a retaining collar65 mounted on stretching member 50 at its other end. Spring 64 normallybiases clamping member 60 against retaining ring 62, but permitsstretching member 50 to move relative to the clamping member 60 whenmovement of the clamping member is restrained by the open ends of thetubular members. Accordingly, the cylinder 53 first moves stretchingmember 50 to a first extended position (shown in FIG. 6) during whichhosiery engaging portion 51 engages the portion of a hosiery article onthe tubular member occupying the seam flattening position and moves thetoe portion inwardly of the tubular member for a predetermined distancewhile withdrawing a predetermined portion of the hosiery article fromthe tubular member. When the clamping member 60 clamps the hosieryarticle against the end of the tubular member, further movement of theclamping member 60 is prevented, but cylinder 53 continues to movestretching member 50 to a second extended position (shown in FIG. 7)with relative movement between stretching member 50 and clamping member60 being permitted by compression of spring 64. During movement to thesecond extended position, hosiery engaging portion 51 stretches the toeportion of the hosiery article a suflicient amount to flatten the seamtherein. Then, the cylinder 53 retracts stretching member 50 andclamping member 60 to the retracted position (shown in FIG. 8) uponmovement of cam 58 out of engagement with switch 57.

Means is provided adjacent the hosiery article everting position of thetubular members 20-23 and operatively communicates with the interior ofthe tubular member occupying the hosiery article everting position forcreating a pressure differential within the tubular member to draw thehosiery article inwardly of the tubular member. Preferably, this meansincludes a suction source (not shown) driven by motor (FIG. 1) andconnected to a duct 71 which terminates in an open free end closelyadjacent turret 13 in communication with the apertures therethrough. Thefree end of duct 71 is mounted by a suitable collar 72 on a supportingstandard 73. To assist the suction means in drawing the hosiery articlesfrom the outside of tubular members 20-23, there is provided threestripper wheels 74 mounted for rotation and driven in a counterclockwise direction through a conventional chain and sprocketarrangement 75 from a motor 76. Wheels 74 engage the hosiery article onthe tubular member occupying the hosiery article everting position tostrip or move the hosiery article toward the free end of the tubularmember while the suction means draws the hosiery article inwardly of thetubular member, thus everting the hosiery article to a right-side outcondition. The screens 14-17 in the ends of the tubular members 20-23adjacent turret 13 entrap and prevent the hosiery articles from passinginto duct 71.

Means is provided adjacent the hosiery article discharge position ofsaid tubular members, for discharging hosiery articles from the tubularmembers when they occupy the hosiery article discharge position.Preferably, this discharge means comprises a duct connected at one endto a blower (not shown), such as the exhaust side of the suction meansdriven by motor 70, and terminating at its other end in an open free endclosely adjacent turret 13 and communicating with the aperturestherethrough. This free end is supported by a collar 81 on standard 73.Accordingly, hosiery articles entrapped within the tubular members 2023will be blown out the open ends thereof.

Disposed outwardly of and in receiving communication with the open endsof the tubular members when they occupy the hosiery article dischargeposition in a hosiery article collection means 82 for receiving hosieryarticles blown from the tubular members 20-23 and for collecting thesame in a suitable collection chamber (not shown), such as a bag or thelike from which hosiery articles may be subsequently removed.

The operation of the device of the present invention will be apparent toa large extent from the foregoing description and therefore will only bebriefly hereinafter described. As seen in FIG. 1, tubular member 20 isin the hosiery donning position and a hosiery article has been drawnthereon. This is the only manual operation required in carrying out themethod of the present invention and in using the device of the presentinvention although other manual operations may be utilized instead ofthe mechanical operations of the device without departing from thepresent invention. It should also be understood that while one completecycle of operation will be described relative to tubular member 20, thesame operations will be successively carried out with respect to theother tubular members.

and second extended positions and the clamping member 60 is movedagainst the end of tubular member 20. The hosiery article is thuslyclamped against tubular member 20 and the toe portion is stretched toflatten the seam therein,

The stretching and clamping members are then retracted and tubularmember 20 is indexed to the hosiery article everting position and theinterior thereof is brought into communication :with duct 71. Suction isapplied to tubular member 20 and the hosiery article thereon is drawninwardly of the tubular member thereby while the stripper wheels 74assist in stripping the hosiery article from the outside of tubularmember 20.

Tubular member 20 is then indexed to the hosiery .article dischargeposition in communication with duct 80. The hosiery article in tubularmember 20 is blown 'outwardly through the open free end thereof and iscollected in collection means 82. Tubular member 20 is then indexed tothe hosiery article donning position for the start of another cycle.

In the drawings and specification, there has been set forth a preferredembodiment of the invention, and although specific terms are employed,they are used in a generic and descriptive sense only and not forpurposes of limitation.

What is claimed is: 1. A device for flattening a seam in the toe portionof a hosiery article comprising an elongated tubular member open at oneend and adapted to receive a hosiery article thereon with the toeportion thereof covering the open end of said tubular member,

clamping means operatively associated with the open end of said tubularmember for clamping a portion of the hosiery article against saidtubular member in spaced relation to the toe portion thereof, and

stretching means movable axially of said tubular member and relative tosaid clamping means and adapted to engage the toe portion of the clampedhosiery article for stretching the toe portion of the hosiery articleaxially of said tubular member a suflicient amount to flatten the seamin the toe portion.

2. The device of claim 1 wherein said clamping means is operable intimed relation to said stretching means after said stretching means hasmoved a predetermined distance axially of said form to withdraw apredetermined portion of the hosiery article from said tubular member.

3. The device of claim 1 including means mounting said tubular memberfor movement between a hosiery article donning position and a seamflattening position spaced from the hosiery article donning position andwherein the tubular member is in operative association with saidclamping means and stretching means.

4.-The device of claim 1 including means operatively associated withsaid tubular member for inducing a,

pressure differential within said tubular member to evert the hosieryarticle after flattening of the seam therein by drawing the hosieryarticle inwardly of said tubular member.

5. A device for flattening a seam within the toe portion of a hosieryarticle comprising an elongated tubular member open at one end andadapted to receive a hosiery article thereon with the toe portionthereof covering the open end of said tubular member,

stretching means normally disposed in a retraced position spacedoutwardly of the open end of said tubular member and movable axially ofsaid tubular member between this normally retraced position and anextended position at least partially within said tubular member forengaging and moving the toe portion of the hosiery article inwardly ofsaid tubular member during movement of said stretching means forstretching the toe portion of the hosiery article on said tubular memberinwardly of the tubular member a sufficient amount to flatten the seamin the toe portion of the hosiery article, and

means connected to said stretching means for moving said stretchingmeans between said retracted and extended positions.

6. The device of claim 5 including clamping means operatively associatedwith said tubular member for clamping a portion of the hosiery articleagainst said tubular member in spaced relation to the toe portion duringstretching thereof.

7. The device of claim 6 wherein said stretching means comprises astretching member normally disposed in a retracted position spacedoutwardly of the open end of said tubular member and movable axially ofsaid tubular member from this normally retracted position to a firstextended position within said tubular member and from this firstextended position to a second extended position further within saidtubular member and adapted to engage and move the toe portion of thehosiery article inwardly of said tubular member during movement of saidstretching member, and wherein said clamping means comprises a clampingmember carried by said stretching member and movable therewith from saidretracted position to said first extended position to clamp the hosieryarticle against the open end of said tubular member and including meansresiliently connecting said clamping member and stretching member, saidmeans resiliently collapsing during extension of said stretching memberfrom said first extended position to said second extended position topermit movement of said stretching member relative to said clampingmember and maintain said clamping member in clamping engagement :withthe open end of said tubular member.

8. A device for flattening a seam in the toe portion of a hosieryarticle comprising a plurality of elongated tubular members open at oneend and adapted to receive hosiery articles thereon with the toeportions thereof covering the open ends thereof.

means mounting said tubular members in spaced apart,

substantially parallel relation with their open ends extending in thesame direction and for successive movement to a hosiery article donningposition wherein said tubular members are adapted to have hosieryarticles drawn thereon and a seam flattening position, clamping meansdisposed adjacent the seam flattening position of said tubular membersfor clamping portions of the hosiery articles against said tubularmembers when said tubular members occupy the seam flattening position,and

stretching means also disposed adjacent said seam flattening positionand movable axially of said tubular members when said tubular membersoccupy said seam flattening position for stretching the toe portion ofthe hosiery articles axially of said tubular members a suflicient amountto flatten the seams therein.

9. The device of claim 8 wherein said means mounting said tubularmembers also mounts said tubular members for successive movement fromthe seam flattening position to a hosiery article everting position, andincluding means disposed adjacent said hosiery article everting positionfor everting hosiery articles after flattening of the seams therein byinducing a pressure diflerential within the tubular members to draw thehosiery articles inwardly of said tubular members when said tubularmembers occupy the hosiery article everting position.

10. The device of claim 9 wherein said means mounting said tubularmembers also mounts said tubular members for movement from the hosieryarticle everting position to a hosiery article discharging position, andincluding means disposed adjacent said hosiery article dischargingposition for discharging the everted hosiery articles from said tubularmembers through the open ends thereof by inducing an opposite pressuredifferential within said tubular members when said tubular membersoccupy the hosiery article discharging position.

11. The device of claim 10 including means for successively indexingsaid tubular members between their various positions.

12. The device of claim 11 including means for actuating said clampingmeans and stretching means in timed relation to the indexing of saidtubular members.

13. A device for flattening a scam in the toe portion of a hosieryarticle comprising a turret mounted for rotation about a generallyhorizontal axis,

four elongated tubular members mounted at one end on said rotatableturret in radially spaced relation to the horizontal axis of said turretand extending generally parallel to said axis and to each other andterminating in free open ends, said tubular members being adapted toreceive hosiery articles drawn there onto,

means for rotating said turret about said horizontal axis to index saidtubular members successively to a hosiery donning position, a seamflattening position, a hosiery article everting position, and a hosieryarticle discharging position,

clamping means disposed adjacent the seam flattening position of saidtubular members for clamping portions of the hosiery articles againstsaid tubular members when said tubular members occupy the seamflattening position,

stretching means also disposed adjacent said seam flattening positionand movable axially of said tubular members when said tubular membersoccupy the seam flattening position for stretching the toe portion ofthe clamped hosiery article axially of said tubular members a sufiicientamount to flatten the seams therein,

suction means disposed adjacent said hosiery article everting positionand operatively communicating with the interior of said tubular memberswhen they occupy said hosiery article everting position for everting thehosiery articles having the flattened seams therein by drawing thehosiery articles inwardly of said tubular members,

means disposed adjacent the hosiery article everting position of saidtubular members and adapted to engage the hosiery articles on saidtubular members for moving the hosiery articles on the outside of thetubular members toward the open free ends of said tubular members toassist said suction means in withdrawing the hosiery articles from theoutside of the tubular members and drawing the same inwardly of saidtubular members,

blowing means disposed adjacent the hosiery article discharging positionof said tubular members and operatively communicating with the interiorof said tubular members when they occupy said hosiery articledischarging position for blowing the everted hosiery articles from saidtubular members through the open end thereof to discharge the hosieryarticles therefrom, and

hosiery article collection means disposed adjacent the hosiery articledischarge position of said tubular members and aligned with the openfree ends thereof for receiving hosiery articles discharged from saidtubular members to collect the discharged hosiery articles.

14. A method for flattening a seam within the toe portion of a hosieryarticle which comprises drawing a hosiery article onto an elongatedtubular member open at one end with the toe portion thereof covering theopen end of the tubular member, clamping the hosiery article against thetubular member in spaced relation to the toe portion, and stretching thetoe portion of the clamped hosiery article inwardly of the tubularmember a sufficient amount to flatten the seam therein.

15. The method of claim 14 which includes moving the toe portion of thehosiery article inwardly of the tubular member prior to clamping thehosiery article against the tubular member.

16. The method of claim 15 which includes everting the hosiery articleafter flattening of the seam therein by inducing a pressure differentialwithin the tubular member to draw the hosiery article inwardly of thetubular member.

17. The method of claim 14 which includes inducing a pressuredifferential within the tubular member to draw the hosiery article intothe tubular member and thereafter discharging the everted hosieryarticle from the tubular member through the open end thereof by inducingan opposite pressure difierential within the tubular member.

18. A method of flattening a seam within the toe portion of a hosierarticle utilizing at least one elongated tubular member open at one endand movable between a hosiery article donning position and a seamflattening position, said method comprising drawing a hosiery articleonto the tubular member with the toe portion thereof covering the openend of the tubular member while the tubular member is in the hosieryarticle donning position,

moving the tubular member with the hosiery article thereon from thehosiery article donning position to the seam flattening position,

clamping the hosiery article against the tubular member while thetubular member is in the seam flattening position, and

stretching the toe portion of the clamped hosiery article axially of thetubular member a sufficient amount to flatten the seam therein.

19. The method of claim 18 wherein said tubular member is also movablefrom said seam flattening position to a hosiery article evertingposition and including moving the tubular member from the seamflattening position to the hosiery article everting position andeverting the hosiery article after flattening of the seam therein byinducing a pressure differential within the tubular member to draw thehosiery article inwardly of the tubular member while said tubular memberis in the hosiery article everting position.

20. The method of claim 19 wherein the tubular member is also movablefrom the hosiery article everting position to a hosiery articledischarging position and including moving the tubular member from thehosiery article everting position to the hosiery article dischargingposition and discharging the everted hosiery article from the tubularmember through the open end thereof by inducing an opposite pressuredifferential within the tubular member while said tubular member is inthe hosiery article discharging position.

21. A method for flattening a seam within the toe portion of a hosieryarticle utilizing a plurality of elongated tubular members open at oneend and mounted in spaced apart, substantially parallel relation withtheir open ends extending in the same direction and successively movableto a hosiery article donning position, a seam flattening position, and ahosiery article everting position, said method comprising successivelymoving the tubular members to the hosiery article donning position,

successively drawing hosiery articles onto the tubular members with thetoe portions thereof covering the open ends of the tubular members whilethe tubular members are in the hosiery article donning position,successively moving the tubular members with the hosiery articlesthereon from the hosiery article donning position to the seam flatteningposition, clamping the hosiery articles against the tubular members inspaced relation to the toe portions of the hosiery articles while thetubular members are in the seam flattening position,

stretching the toe portions of the clamped hosiery articles inwardly ofthe tubular members a suflicient amount to flatten the seams therein,

successively moving the tubular members to the hosiery article evertingposition, and

everting the hosiery articles by inducing a pressure differential withinthe tubular members to drawn the hosiery articles inwardly of thetubular members while the tubular members are in the hosiery articleeverting position.

References Cited UNITED STATES PATENTS 2,899,116 8/1959 Long et al223-43 3,126,134 3/1964 McAnally 223-43 3,131,839 5/1964 Norman et al223-43 3,197,094 7/1965 Fowler 223-77 775,992 11/ 1904 Shallenberger223-43 3,429,618 2/1969 Sparso et al 223-43 X JORDAN FRANKLIN, PrimaryExaminer G. V. LARKIN, Assistant Examiner US. Cl. X.R. 223-77 Flo-1050UNITED STATES PATENT OFFICE CERTIFICATE OF CORRLCTION Patent No. 258Dated October 0 Inventor) Joseph E. Klenel It is certified that errorappears in the above-identified patent and that said Letters Patent arehereby corrected as shown below:

Column -2, line 58, changethe numeral "29" to --2o--.

Column 3, line 12, change "connected" to "connectsllne 29, change thenumeral "29" to --20--.

Column 4, line 20, after "the" (first occurrence) and before "portion",insert --toe--.

Column 5, line 5, change "in" to "dB-' Coldinn 6, line 23, change"retraced'" to --retracted--; line 26, change "retraced" to--retracted--.

Column 10, line 9, change "drawn" to --draw--.

SIGNED AND REALED BESS IQD

